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Correspondence of the Scientific American - p202
doi:10.1038/scientificamerican03161850-202
Improved Machine for Tinsmiths, for Turning—Fig 1 - p204
doi:10.1038/scientificamerican03161850-204d
Trouble about Patent Laws and Patents - p205
doi:10.1038/scientificamerican03161850-205
History of Propellers and Steam Navigation - p208
doi:10.1038/scientificamerican03161850-208a